How Linux keeps time
Knowing the exact time is important to computers for many reasons. A GPS, which is a computer, needs to know the exact time so it...
How to get a clean screen — on the command line
After some time using terminal sessions they can get a bit cluttered with previous commands and their output data streams. At other times, I want...
How to do updates on the command line
Keeping your Linux computer as safe as possible from various types of cyber attacks is only possible if you perform updates regularly and upgrade to...
The Linux Philosophy for SysAdmins, Tenet 18 —Find the simplicity
Author’s note: This article is excerpted in part from chapter 17 of my book, The Linux Philosophy for SysAdmins, with some changes to update the...
The secrets of the usermod command
Most SysAdmins use a diverse set of commands, but it's usually the same set of commands. And, most frequently, the same set of options for...
Using htop to manage your Linux system
I use a lot of tools in my daily SysAdmin role. One of the most important ones in my toolkit is htop. The htop program...
My mom requests a Linux computer
Image by: Opensource.com Editor’s note: This article by David Both was published by Opensource.com on November 16, 2015. It’s republished here without changes by permission...
Looking forward to 2025
The end of the year is always a good time to look forward to the next year -- and so I will look at a...
Raspberry Pi 500 — a review
I've had several Raspberry Pi Single-Board Computers in the past and used them in interesting ways. Many years ago I even used one as a...
Microsoft Recall still captures your data
Even with "sensitive information" supposedly blocked I don't usually opine about Microsoft, or rant, but this is just ... there are no words. But I'll...
The joy of a modular kernel
What is a modular kernel? Modern modular kernels use a relatively small core that contains only the bare minimum code required to get a computer...
Firewall your home network with a Raspberry Pi
Image by: Opensource.com Editor's note: This article by David Both was published by Opensource.com on March 15, 2016. It's republished here without changes by permission...
The day my mind became open sourced
Image by: Opensource.com This article by Phil Shapiro originally appeared on Opensource.com and is republished here with the author's permission. I can remember so clearly...
Linux Philosophy articles of 2024
Having read a lot of books like, "Linux and the Unix Philosophy," by Mike Gancarz1, and "The Art of Unix Programming," by Eric S. Raymond2,...
How I create encrypted passwords
I sometimes need to create an encrypted password for use in scripts when adding one or more new user accounts to hosts in my lab....
How many releases of Fedora can I upgrade from?
Upgrades are an important part of a SysAdmin's job, whether you know you're one or not. If you think about updates and upgrades, then you...